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ubuntucveUbuntu.comUB:CVE-2021-4083
HistoryJan 18, 2022 - 12:00 a.m.

CVE-2021-4083

2022-01-1800:00:00
ubuntu.com
ubuntu.com
34

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

9.9%

JSON

A read-after-free memory flaw was found in the Linux kernel’s garbage
collection for Unix domain socket file handlers in the way users call
close() and fget() simultaneously and can potentially trigger a race
condition. This flaw allows a local user to crash the system or escalate
their privileges on the system. This flaw affects Linux kernel versions
prior to 5.16-rc4.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-169.177UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-100.113UNKNOWN
ubuntu21.10noarchlinux< 5.13.0-30.33UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-223.256UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1121.129UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1066.69UNKNOWN
ubuntu21.10noarchlinux-aws< 5.13.0-1014.15UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1103.108UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1139.153UNKNOWN
ubuntu20.04noarchlinux-aws-5.13< 5.13.0-1014.15~20.04.1UNKNOWN
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CVE-2021-4083
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2022-05-10 08:11:36

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

9.9%

JSON
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